Question 1

The lingual cusp of the maxillary first premolar is longer than the facial cusp.This tooth often has two roots,one mesial and one distal.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. D

Question 2

The cusp of Carabelli is located on the

Accepted Answer

A)  mandibular first molar 
B)  mandibular second molar 
C)  maxillary first molar 
D)  maxillary second molar 
A)  mandibular first molar 
B)  mandibular second molar 
C)  maxillary first molar 
D)  maxillary second molar C

Question 3

The mandibular second molar has

Accepted Answer

A)  four almost equal cusps 
B)  one small distal cusp,two buccal cusps,and two lingual cusps 
C)  three buccal cusps and two lingual cusps 
D)  three major cusps and one minor cusp 
A)  four almost equal cusps 
B)  one small distal cusp,two buccal cusps,and two lingual cusps 
C)  three buccal cusps and two lingual cusps 
D)  three major cusps and one minor cusp A

Question 4

Roots of third molars are most often dilacerated because the more posterior the molars are positioned,the more variation of anatomy is evident.

Accepted Answer

A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason is NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct. 
A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason is NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct.

Question 5

The distal incisal edges of anterior teeth are more rounded than the mesial incisal edges.

Accepted Answer

A) True 
 B)False

Question 6

Which premolar most frequently has three cusps?

Accepted Answer

A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second 
A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second

Question 7

MATCHING
Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth.
-Mandibular incisors

Accepted Answer

A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height 
A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height

Question 8

Which molar has two buccal grooves?

Accepted Answer

A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second 
A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second

Question 9

Which incisor exhibits a slight distolingual rotation?

Accepted Answer

A)  Maxillary central 
B)  Maxillary lateral 
C)  Mandibular central 
D)  Mandibular lateral 
A)  Maxillary central 
B)  Maxillary lateral 
C)  Mandibular central 
D)  Mandibular lateral

Question 10

Which premolar has a small lingual cusp and no central pit?

Accepted Answer

A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second 
A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second

Question 11

Which has an oblique ridge (Select all that apply. )?

Accepted Answer

A)  Maxillary first premolars 
B)  Maxillary second premolars 
C)  Maxillary first molars 
D)  Maxillary second molars 
E)  Maxillary third molars 
A)  Maxillary first premolars 
B)  Maxillary second premolars 
C)  Maxillary first molars 
D)  Maxillary second molars 
E)  Maxillary third molars

Question 12

On anterior teeth,the curvature of the CEJ is the same on mesial and distal surfaces.

Accepted Answer

A) True 
 B)False

Question 13

MATCHING
Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth.
-Mandibular molars

Accepted Answer

A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height 
A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height

Question 14

The crowns of the maxillary incisors are wider mesiodistally than labiolingually.The roots of maxillary incisors are oval in cross section.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 15

MATCHING
Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth.
-Mandibular premolars

Accepted Answer

A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height 
A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height

Question 16

Tooth roots do not always curve.If roots do curve,they typically curve distally.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 17

MATCHING
Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth.
-Maxillary incisors

Accepted Answer

A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height 
A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height

Question 18

MATCHING
Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth.
-Maxillary molars

Accepted Answer

A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height 
A) Two roots,one mesial and one distal 
B) Two facial roots and one lingual root 
C) Lingual surface almost smooth 
D) Incisal edge angled toward lingual 
E) Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height

Question 19

Third molars are generally larger than first molars because a general rule of tooth identification states that permanent molars are generally taller in height and have more cusps the more posteriorly they are placed.

Accepted Answer

A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason is NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct. 
A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason is NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct.

Question 20

Secondary anatomy refers to anatomical features of second molars and premolars.Tertiary anatomy refers to unique anatomical features of third molars.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Exam 10: Tooth Identification

The lingual cusp of the maxillary first premolar is longer than the facial cusp.This tooth often has two roots,one mesial and one distal.

The cusp of Carabelli is located on the

The mandibular second molar has

Roots of third molars are most often dilacerated because the more posterior the molars are positioned,the more variation of anatomy is evident.

The distal incisal edges of anterior teeth are more rounded than the mesial incisal edges.

Which premolar most frequently has three cusps?

MATCHING Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth. -Mandibular incisors

Which molar has two buccal grooves?

Which incisor exhibits a slight distolingual rotation?

Which premolar has a small lingual cusp and no central pit?

Which has an oblique ridge (Select all that apply. )?

On anterior teeth,the curvature of the CEJ is the same on mesial and distal surfaces.

MATCHING Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth. -Mandibular molars

The crowns of the maxillary incisors are wider mesiodistally than labiolingually.The roots of maxillary incisors are oval in cross section.

MATCHING Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth. -Mandibular premolars

Tooth roots do not always curve.If roots do curve,they typically curve distally.

MATCHING Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth. -Maxillary incisors

MATCHING Identification of teeth involves mastery of tooth anatomy.Match the anatomical descriptions with the appropriate teeth. -Maxillary molars

Third molars are generally larger than first molars because a general rule of tooth identification states that permanent molars are generally taller in height and have more cusps the more posteriorly they are placed.

Secondary anatomy refers to anatomical features of second molars and premolars.Tertiary anatomy refers to unique anatomical features of third molars.

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, form, and Eruption

Occlusion

Dental Anomalies

Supporting Structures

Clinical Considerations

Root Morphology

Incisors

Canines

Premolars

Molars

Deciduous Dentition

Basic Tissues

Development of Orofacial Complex

Dental Lamina and Enamel Organ

Enamel, Dentin, and Pulp

Root Formation and Attachment Apparatus

Eruption and Shedding of Teeth

Oral Mucous Membrane

The Tongue

Histology of the Salivary Glands

Osteology of the Skull

Nose, Nasal Cavity, and Paranasal Sinuses

Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid and Trapezius Muscles

Tempo-romandibular Joint

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

Anatomical Considerations of Local Anesthesia

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